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Finding the Fourth Proportional to 243,159.62, 364,753.22 and 65,680.74

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Solution

The fourth proportional to 243,159.62, 364,753.22 and 65,680.74 is: 98,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,159.62 : 364,753.22 = 65,680.74 : x
  2. Step 2: Convert to fraction form
    243,159.62/364,753.22 = 65,680.74/x
  3. Step 3: Cross multiply
    243,159.62x = 364,753.22 × 65,680.74
  4. Step 4: Simplify right side
    243,159.62x = 23,957,261,078.58
  5. Step 5: Solve for x
    x = 23,957,261,078.58/243,159.62
  6. Step 6: Final answer
    x = 98,524.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.